"If you get an erection... You'll do as I say."

Mochida is a junior high school student who has become close friends with Aoyama, the most beautiful girl in his class. One day, while masturbating and fantasizing over her in the library, he is caught by Taira, a mysterious member of the library committee. In a tense and unexpected moment, Taira demands a kiss from Mochida. Confused and cornered, Mochida gives in... only to find himself ejaculating after the kiss... This strange encounter leads to an invitation to the secretive "Kissing Club", where boundaries blur and emotions run high.